Merge pull request #679 from Ocramius/dependabot/composer/phpunit/phpunit-9.5.4

Author: dependabot-preview[bot]

composer.json

@@ -32,7 +32,7 @@
     },
     "require-dev": {
         "ext-phar":                     "*",
-        "phpunit/phpunit":              "^9.5.3",
+        "phpunit/phpunit":              "^9.5.4",
         "squizlabs/php_codesniffer":    "^3.5.5",
         "slevomat/coding-standard":     "^6.3.10",
         "doctrine/coding-standard":     "^8.1.0",